Home / 831,166.50-1,246,820.40-262,395.42

Finding the Fourth Proportional to 831,166.50, 1,246,820.40 and 262,395.42

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Solution

The fourth proportional to 831,166.50, 1,246,820.40 and 262,395.42 is: 393,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,166.50 : 1,246,820.40 = 262,395.42 : x
  2. Step 2: Convert to fraction form
    831,166.50/1,246,820.40 = 262,395.42/x
  3. Step 3: Cross multiply
    831,166.50x = 1,246,820.40 × 262,395.42
  4. Step 4: Simplify right side
    831,166.50x = 327,159,962,522.57
  5. Step 5: Solve for x
    x = 327,159,962,522.57/831,166.50
  6. Step 6: Final answer
    x = 393,615.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.